Commit: ed0d58618aaf20aa3d7f6229b4f7d602f1b74135
Author: Campbell Barton
Date: Tue May 31 23:56:59 2016 +1000
Branches: compositor-2016
https://developer.blender.org/rBed0d58618aaf20aa3d7f6229b4f7d602f1b74135
Fix T48554: Absolute grid snap fails w/ cursor pivot
Use center of selection when using absolute grid snapping and cursor pivot.
===================================================================
M source/blender/editors/transform/transform.c
M source/blender/editors/transform/transform.h
M source/blender/editors/transform/transform_generics.c
M source/blender/editors/transform/transform_snap.c
===================================================================
diff --git a/source/blender/editors/transform/transform.c
b/source/blender/editors/transform/transform.c
index 5c0c0bc..5b1a584 100644
--- a/source/blender/editors/transform/transform.c
+++ b/source/blender/editors/transform/transform.c
@@ -2863,7 +2863,7 @@ static void initBend(TransInfo *t)
//copy_v3_v3(t->center, ED_view3d_cursor3d_get(t->scene, t->view));
calculateCenterCursor(t, t->center);
- calculateCenterGlobal(t);
+ calculateCenterGlobal(t, t->center, t->center_global);
t->val = 0.0f;
diff --git a/source/blender/editors/transform/transform.h
b/source/blender/editors/transform/transform.h
index 11151a9..0e0d085 100644
--- a/source/blender/editors/transform/transform.h
+++ b/source/blender/editors/transform/transform.h
@@ -369,6 +369,11 @@ typedef struct TransCustomData {
unsigned int use_free : 1;
} TransCustomData;
+typedef struct TransCenterData {
+ float local[3], global[3];
+ unsigned int is_set : 1;
+} TransCenterData;
+
typedef struct TransInfo {
int mode; /* current mode */
int flag; /* generic flags for special behaviors
*/
@@ -396,6 +401,9 @@ typedef struct TransInfo {
float center[3]; /* center of transformation (in
local-space) */
float center_global[3]; /* center of transformation (in
global-space) */
float center2d[2]; /* center in screen coordinates */
+ /* Lazy initialize center data for when we need other center values.
+ * V3D_AROUND_ACTIVE + 1 (static assert checks this) */
+ TransCenterData center_cache[5];
short idx_max; /* maximum index on the input vector
*/
float snap[3]; /* Snapping Gears
*/
float snap_spatial[3]; /* Spatial snapping gears(even when
rotating, scaling... etc) */
@@ -742,8 +750,11 @@ void restoreTransObjects(TransInfo *t);
void recalcData(TransInfo *t);
void calculateCenter2D(TransInfo *t);
-void calculateCenterGlobal(TransInfo *t);
+void calculateCenterGlobal(
+ TransInfo *t, const float center_local[3],
+ float r_center_global[3]);
+const TransCenterData *transformCenter_from_type(TransInfo *t, int around);
void calculateCenter(TransInfo *t);
/* API functions for getting center points */
diff --git a/source/blender/editors/transform/transform_generics.c
b/source/blender/editors/transform/transform_generics.c
index ed64773..6774064 100644
--- a/source/blender/editors/transform/transform_generics.c
+++ b/source/blender/editors/transform/transform_generics.c
@@ -1610,16 +1610,18 @@ void calculateCenter2D(TransInfo *t)
}
}
-void calculateCenterGlobal(TransInfo *t)
+void calculateCenterGlobal(
+ TransInfo *t, const float center_local[3],
+ float r_center_global[3])
{
/* setting constraint center */
/* note, init functions may over-ride t->center */
if (t->flag & (T_EDIT | T_POSE)) {
Object *ob = t->obedit ? t->obedit : t->poseobj;
- mul_v3_m4v3(t->center_global, ob->obmat, t->center);
+ mul_v3_m4v3(r_center_global, ob->obmat, center_local);
}
else {
- copy_v3_v3(t->center_global, t->center);
+ copy_v3_v3(r_center_global, center_local);
}
}
@@ -1794,43 +1796,55 @@ bool calculateCenterActive(TransInfo *t, bool
select_only, float r_center[3])
return ok;
}
-
-void calculateCenter(TransInfo *t)
+static void calculateCenter_FromAround(TransInfo *t, int around, float
r_center[3])
{
- switch (t->around) {
+ switch (around) {
case V3D_AROUND_CENTER_BOUNDS:
- calculateCenterBound(t, t->center);
+ calculateCenterBound(t, r_center);
break;
case V3D_AROUND_CENTER_MEAN:
- calculateCenterMedian(t, t->center);
+ calculateCenterMedian(t, r_center);
break;
case V3D_AROUND_CURSOR:
if (ELEM(t->spacetype, SPACE_IMAGE, SPACE_CLIP))
- calculateCenterCursor2D(t, t->center);
+ calculateCenterCursor2D(t, r_center);
else if (t->spacetype == SPACE_IPO)
- calculateCenterCursorGraph2D(t, t->center);
+ calculateCenterCursorGraph2D(t, r_center);
else
- calculateCenterCursor(t, t->center);
+ calculateCenterCursor(t, r_center);
break;
case V3D_AROUND_LOCAL_ORIGINS:
/* Individual element center uses median center for
helpline and such */
- calculateCenterMedian(t, t->center);
+ calculateCenterMedian(t, r_center);
break;
case V3D_AROUND_ACTIVE:
{
- if (calculateCenterActive(t, false, t->center)) {
+ if (calculateCenterActive(t, false, r_center)) {
/* pass */
}
else {
/* fallback */
- calculateCenterMedian(t, t->center);
+ calculateCenterMedian(t, r_center);
}
break;
}
}
+}
+
+void calculateCenter(TransInfo *t)
+{
+ calculateCenter_FromAround(t, t->around, t->center);
+ calculateCenterGlobal(t, t->center, t->center_global);
+
+ /* avoid calculating again */
+ {
+ TransCenterData *cd = &t->center_cache[t->around];
+ copy_v3_v3(cd->local, t->center);
+ copy_v3_v3(cd->global, t->center_global);
+ cd->is_set = true;
+ }
calculateCenter2D(t);
- calculateCenterGlobal(t);
/* for panning from cameraview */
if (t->flag & T_OBJECT) {
@@ -1884,6 +1898,23 @@ void calculateCenter(TransInfo *t)
}
}
+BLI_STATIC_ASSERT(ARRAY_SIZE(((TransInfo *)NULL)->center_cache) ==
(V3D_AROUND_ACTIVE + 1), "test size");
+
+/**
+ * Lazy initialize transform center data, when we need to access center values
from other types.
+ */
+const TransCenterData *transformCenter_from_type(TransInfo *t, int around)
+{
+ BLI_assert(around <= V3D_AROUND_ACTIVE);
+ TransCenterData *cd = &t->center_cache[around];
+ if (cd->is_set == false) {
+ calculateCenter_FromAround(t, around, cd->local);
+ calculateCenterGlobal(t, cd->local, cd->global);
+ cd->is_set = true;
+ }
+ return cd;
+}
+
void calculatePropRatio(TransInfo *t)
{
TransData *td = t->data;
diff --git a/source/blender/editors/transform/transform_snap.c
b/source/blender/editors/transform/transform_snap.c
index 38f1d37..e72db41 100644
--- a/source/blender/editors/transform/transform_snap.c
+++ b/source/blender/editors/transform/transform_snap.c
@@ -1520,11 +1520,21 @@ static void applyGridIncrement(TransInfo *t, float
*val, int max_index, const fl
/* absolute snapping on grid based on global center */
if ((t->tsnap.snap_spatial_grid) && (t->mode == TFM_TRANSLATION)) {
+ const float *center_global = t->center_global;
+
+ /* use a fallback for cursor selection,
+ * this isn't useful as a global center for absolute grid
snapping
+ * since its not based on the position of the selection. */
+ if (t->around == V3D_AROUND_CURSOR) {
+ const TransCenterData *cd =
transformCenter_from_type(t, V3D_AROUND_CENTER_MEAN);
+ center_global = cd->global;
+ }
+
for (i = 0; i <= max_index; i++) {
/* do not let unconstrained axis jump to absolute grid
increments */
if (!(t->con.mode & CON_APPLY) || t->con.mode &
(CON_AXIS0 << i)) {
const float iter_fac = fac[action] * asp[i];
- val[i] = iter_fac * roundf((val[i] +
t->center_global[i]) / iter_fac) - t->center_global[i];
+ val[i] = iter_fac * roundf((val[i] +
center_global[i]) / iter_fac) - center_global[i];
}
}
}
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